says, he is not ruling out a run in 2016, and then there is hillary clinton. president obama and secretary clinton did a joint interview airing tonight. take a look at that. >> i just wanted to have a chance to publicly say thank you because i think hillary will go down as one of the finest secretary of states we've had. >> president obama asked me to be secretary of state, and i said yes, and why did i ask me and why did i say yes, because we both love our country. >> donna, what was that really? was that a little preview for this is the woman who i want to be president? >> well, i still believe it's too early to think about 2016. after all, we have to figure out who is going to win the super bowl next week, but the truth of the matter is joe biden is a natural like bill clinton, he is a natural. he loves politics, reaching out but i do believe that this -- that president obama and secretary clinton have become real good, close friends. he's relied on her, her judgment. he trusts her advice. this is a relationship that i think has been forged during the four years that they'